According to Oliver Fiehn, a metabolomics researcher at the University of California, Davis, people are much more than meets the eye. “We are not just human,” he said. “We are an ecosystem.” The ...

Cologuard is a colon cancer screening test you can do at home. It’s a noninvasive, stool-based test that comes in a kit. You use the kit to collect a stool sample. Then you send the sample to a lab ...

Healthcare professionals consider a healthy pancreatic elastase level above 200 micrograms per gram (mcg/g). Pancreatic elastase is the digestive enzyme that the pancreas produces to help digest food.

US companies providing gut-microbiome home-testing kits can give consumers very different results. That’s the finding of ...